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1090201390 = 25109020139
BaseRepresentation
bin100000011111011…
…0010011100101110
32210222101222011021
41000332302130232
54213042421030
6300102444354
736005362465
oct10076623456
92728358137
101090201390
1150a432493
122651336ba
13144b2c9a5
14a4b0b9dc
1565a9c97a
hex40fb272e

1090201390 has 8 divisors (see below), whose sum is σ = 1962362520. Its totient is φ = 436080552.

The previous prime is 1090201369. The next prime is 1090201391. The reversal of 1090201390 is 931020901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090201391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54510060 + ... + 54510079.

It is an arithmetic number, because the mean of its divisors is an integer number (245295315).

Almost surely, 21090201390 is an apocalyptic number.

1090201390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1090201390 is a deficient number, since it is larger than the sum of its proper divisors (872161130).

1090201390 is a wasteful number, since it uses less digits than its factorization.

1090201390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109020146.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 1090201390 is about 33018.1978611795. The cubic root of 1090201390 is about 1029.2058446260.

The spelling of 1090201390 in words is "one billion, ninety million, two hundred one thousand, three hundred ninety".

Divisors: 1 2 5 10 109020139 218040278 545100695 1090201390